Subscribe to download
Heroscape: Road to the Underdark

A long abandoned pathway twists its way through Elswind Forest. At the end of the pathway, in the shadows of an ancient stone structure, lies the entrance to the Underdark. It is a jagged tear in the landscape from which an unnatural darkness emanates. The place has come to be known as Blackscar.

The rest of the mod required to play is here.
http://gtm.steamproxy.vip/sharedfiles/filedetails/?id=372979678

Map Rules:
https://docs.google.com/file/d/0B4bER3ZONV0NbnpnQjMwS2lrRDA/edit
(Ctrl+F Road to the Underdark to shortcut to rules)